Home / 51,908.65-77,848.49-20,312.27

Finding the Fourth Proportional to 51,908.65, 77,848.49 and 20,312.27

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Solution

The fourth proportional to 51,908.65, 77,848.49 and 20,312.27 is: 30,462.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,908.65 : 77,848.49 = 20,312.27 : x
  2. Step 2: Convert to fraction form
    51,908.65/77,848.49 = 20,312.27/x
  3. Step 3: Cross multiply
    51,908.65x = 77,848.49 × 20,312.27
  4. Step 4: Simplify right side
    51,908.65x = 1,581,279,501.44
  5. Step 5: Solve for x
    x = 1,581,279,501.44/51,908.65
  6. Step 6: Final answer
    x = 30,462.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.